A confused London cabbie - yet to be identified - was lead into the studio, miced up, sat down, and interviewed live on air by unsuspecting BBC consumer affairs correspondent Karen Bowerman.

It would appear that the cabbie was there to collect online expert Guy Kewney, who was supposed to be being interviewed.

Rather than admit the mistake, in good spirits the cabbie played along, although his answers were far from expert, suggesting for example that we will soon see: "A lot of people downloading the internet and the website and everything they want."